is this a regression or it exists on all the kernel you've tried? please remote login the box after resume, and get the output of "xrandr --verbose". thanks, rui On Fri, 2009-05-22 at 06:58 +0800, Niel Lambrechts wrote: > Cc's added, attached lspci output. > > On 05/19/2009 08:38 PM, Niel Lambrechts wrote: > > I have a strange problem in that during a resume from hibernate my > > text console (or X) remains blank - that is, until I simultaneously > > press a keyboard key and touch the synaptic pad. It is not sufficient > > to press just one or the other, it needs to be done simultaneously and > > it resumes fine after doing this. > > I have tried quite hard to overcome this issue. All of the following hibernation > tests I tried involved booting into a text console, without ever starting X. > With each test I still had a blank screen upon resume, and each time it was > fully recoverable by pressing any keyboard key/synaptic pad touch combo. > > 1. Disabling a CPU core - NO CHANGE. > Based on a "multi-processor concurrency" fix mentioned on the web (Ubuntu bug > #272307). > > 2. Upgrade BIOS to latest level - NO CHANGE. > BIOS 6FET70WW, released 04/17/2009. > > 3. Switching to ATI Mobility Radeon HD 3650 graphics card. NO CHANGE. > My Lenovo W500 has "switchable graphics" BIOS option, and I tried this test with > both the integrated or the above-mentioned card without difference. > _This result seems quite interesting to me, as if it could be some type of bus > related freeze where the keyboard/synaptic combo plays a role._ > > 4. Disabling BIOS Options - NO CHANGE. > Enabling/disabling security chip features + TXT features. > Disabling fingerprint reader. > Disabling memory security feature. > > 5. Kernel options - NO CHANGE. > ACPI debugging - I enabled CONFIG_ACPI_DEBUG, but did not see any messages > generated when I pressed a keyboard key + synaptic mousepad combo that recovers > the console. > FIRMWARE_EDID - still testing this. > > Any suggestions on anything else I could try would be most welcome...! > > Thanks, > Niel > -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
